70611552 has 144 divisors (see below), whose sum is σ = 226437120. Its totient is φ = 20678400.

The previous prime is 70611551. The next prime is 70611589. The reversal of 70611552 is 25511607.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70611551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97849 + ... + 98567.

It is an arithmetic number, because the mean of its divisors is an integer number (1572480).

Almost surely, 2^70611552 is an apocalyptic number.

70611552 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70611552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113218560).

70611552 is an abundant number, since it is smaller than the sum of its proper divisors (155825568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70611552 is a wasteful number, since it uses less digits than its factorization.

70611552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 70611552 is about 8403.0680111493. The cubic root of 70611552 is about 413.3252328162.

The spelling of 70611552 in words is "seventy million, six hundred eleven thousand, five hundred fifty-two".