70494520 has 32 divisors (see below), whose sum is σ = 159239520. Its totient is φ = 28086400.

The previous prime is 70494499. The next prime is 70494521. The reversal of 70494520 is 2549407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70494521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7170 + ... + 13870.

It is an arithmetic number, because the mean of its divisors is an integer number (4976235).

Almost surely, 2^70494520 is an apocalyptic number.

It is an amenable number.

70494520 is an abundant number, since it is smaller than the sum of its proper divisors (88745000).

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

70494520 is a wasteful number, since it uses less digits than its factorization.

70494520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6975 (or 6971 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 70494520 is about 8396.1014762805. The cubic root of 70494520 is about 413.0967573232.

The spelling of 70494520 in words is "seventy million, four hundred ninety-four thousand, five hundred twenty".