70246920 has 32 divisors (see below), whose sum is σ = 210741120. Its totient is φ = 18732480.

The previous prime is 70246919. The next prime is 70246931. The reversal of 70246920 is 2964207.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 292576 + ... + 292815.

It is an arithmetic number, because the mean of its divisors is an integer number (6585660).

Almost surely, 2^70246920 is an apocalyptic number.

It is an amenable number.

70246920 is an abundant number, since it is smaller than the sum of its proper divisors (140494200).

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

70246920 is a wasteful number, since it uses less digits than its factorization.

70246920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585405 (or 585401 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 70246920 is about 8381.3435677104. The cubic root of 70246920 is about 412.6125459662.

The spelling of 70246920 in words is "seventy million, two hundred forty-six thousand, nine hundred twenty".