70355040 has 96 divisors (see below), whose sum is σ = 253290240. Its totient is φ = 16080384.

The previous prime is 70355029. The next prime is 70355053. The reversal of 70355040 is 4055307.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 70355040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7110 + ... + 13829.

It is an arithmetic number, because the mean of its divisors is an integer number (2638440).

Almost surely, 2^70355040 is an apocalyptic number.

70355040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70355040 is an abundant number, since it is smaller than the sum of its proper divisors (182935200).

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

70355040 is a wasteful number, since it uses less digits than its factorization.

70355040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20964 (or 20956 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 70355040 is about 8387.7911275854. The cubic root of 70355040 is about 412.8241272479.

The spelling of 70355040 in words is "seventy million, three hundred fifty-five thousand, forty".