70261555172 has 12 divisors (see below), whose sum is σ = 129429180720. Its totient is φ = 33281789256.

The previous prime is 70261555171. The next prime is 70261555183. The reversal of 70261555172 is 27155516207.

It is a happy number.

It is a super-2 number, since 2×70261555172² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70261555171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462246998 + ... + 462247149.

It is an arithmetic number, because the mean of its divisors is an integer number (10785765060).

Almost surely, 2^70261555172 is an apocalyptic number.

It is an amenable number.

70261555172 is a deficient number, since it is larger than the sum of its proper divisors (59167625548).

70261555172 is a wasteful number, since it uses less digits than its factorization.

70261555172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924494170 (or 924494168 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 41.

The spelling of 70261555172 in words is "seventy billion, two hundred sixty-one million, five hundred fifty-five thousand, one hundred seventy-two".