56620070 has 24 divisors (see below), whose sum is σ = 110362176. Its totient is φ = 20905248.

The previous prime is 56620063. The next prime is 56620079. The reversal of 56620070 is 7002665.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56620079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15062 + ... + 18441.

It is an arithmetic number, because the mean of its divisors is an integer number (4598424).

Almost surely, 2^56620070 is an apocalyptic number.

56620070 is a deficient number, since it is larger than the sum of its proper divisors (53742106).

56620070 is a wasteful number, since it uses less digits than its factorization.

56620070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33536 (or 33523 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 56620070 is about 7524.6308879572. The cubic root of 56620070 is about 383.9931413344.

The spelling of 56620070 in words is "fifty-six million, six hundred twenty thousand, seventy".