70620524 has 12 divisors (see below), whose sum is σ = 133092624. Its totient is φ = 32594064.

The previous prime is 70620427. The next prime is 70620527. The reversal of 70620524 is 42502607.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 70620493 and 70620502.

It is not an unprimeable number, because it can be changed into a prime (70620527) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 678992 + ... + 679095.

It is an arithmetic number, because the mean of its divisors is an integer number (11091052).

Almost surely, 2^70620524 is an apocalyptic number.

It is an amenable number.

70620524 is a deficient number, since it is larger than the sum of its proper divisors (62472100).

70620524 is a wasteful number, since it uses less digits than its factorization.

70620524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358104 (or 1358102 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 70620524 is about 8403.6018468273. The cubic root of 70620524 is about 413.3427379638.

The spelling of 70620524 in words is "seventy million, six hundred twenty thousand, five hundred twenty-four".