70972655 has 8 divisors (see below), whose sum is σ = 91718592. Its totient is φ = 52410528.

The previous prime is 70972651. The next prime is 70972709. The reversal of 70972655 is 55627907.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70972655 - 2² = 70972651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70972651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545879 + ... + 546008.

It is an arithmetic number, because the mean of its divisors is an integer number (11464824).

Almost surely, 2^70972655 is an apocalyptic number.

70972655 is a deficient number, since it is larger than the sum of its proper divisors (20745937).

70972655 is a wasteful number, since it uses less digits than its factorization.

70972655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091905.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 70972655 is about 8424.5269896891. The cubic root of 70972655 is about 414.0286081812.

The spelling of 70972655 in words is "seventy million, nine hundred seventy-two thousand, six hundred fifty-five".