70630456 has 32 divisors (see below), whose sum is σ = 143010000. Its totient is φ = 32509440.

The previous prime is 70630423. The next prime is 70630501. The reversal of 70630456 is 65403607.

It is a super-2 number, since 2×70630456² = 9977322629535872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51216 + ... + 52576.

Almost surely, 2^70630456 is an apocalyptic number.

It is an amenable number.

70630456 is an abundant number, since it is smaller than the sum of its proper divisors (72379544).

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

70630456 is a wasteful number, since it uses less digits than its factorization.

70630456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879 (or 1875 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 70630456 is about 8404.1927631391. The cubic root of 70630456 is about 413.3621144255.

The spelling of 70630456 in words is "seventy million, six hundred thirty thousand, four hundred fifty-six".