70672155 has 16 divisors (see below), whose sum is σ = 113179680. Its totient is φ = 37657088.

The previous prime is 70672117. The next prime is 70672181. The reversal of 70672155 is 55127607.

It is a cyclic number.

It is not a de Polignac number, because 70672155 - 2⁷ = 70672027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30829 + ... + 33041.

It is an arithmetic number, because the mean of its divisors is an integer number (7073730).

Almost surely, 2^70672155 is an apocalyptic number.

70672155 is a deficient number, since it is larger than the sum of its proper divisors (42507525).

70672155 is a wasteful number, since it uses less digits than its factorization.

70672155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 70672155 is about 8406.6732421333. The cubic root of 70672155 is about 413.4434457038.

The spelling of 70672155 in words is "seventy million, six hundred seventy-two thousand, one hundred fifty-five".