56723070 has 16 divisors (see below), whose sum is σ = 136135440. Its totient is φ = 15126144.

The previous prime is 56723059. The next prime is 56723081. The reversal of 56723070 is 7032765.

It is an interprime number because it is at equal distance from previous prime (56723059) and next prime (56723081).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1890769 = 56723070 / (5 + 6 + 7 + 2 + 3 + 0 + 7 + 0).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945355 + ... + 945414.

It is an arithmetic number, because the mean of its divisors is an integer number (8508465).

Almost surely, 2^56723070 is an apocalyptic number.

56723070 is an abundant number, since it is smaller than the sum of its proper divisors (79412370).

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

56723070 is a wasteful number, since it uses less digits than its factorization.

56723070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890779.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 56723070 is about 7531.4719676833. The cubic root of 56723070 is about 384.2258464194.

The spelling of 56723070 in words is "fifty-six million, seven hundred twenty-three thousand, seventy".