61230617970 has 32 divisors (see below), whose sum is σ = 149023255680. Its totient is φ = 16098190080.

The previous prime is 61230617947. The next prime is 61230617993. The reversal of 61230617970 is 7971603216.

It is an interprime number because it is at equal distance from previous prime (61230617947) and next prime (61230617993).

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, 14371255 + ... + 14375514.

It is an arithmetic number, because the mean of its divisors is an integer number (4656976740).

Almost surely, 2^61230617970 is an apocalyptic number.

61230617970 is an abundant number, since it is smaller than the sum of its proper divisors (87792637710).

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

61230617970 is a wasteful number, since it uses less digits than its factorization.

61230617970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28746850.

The product of its (nonzero) digits is 95256, while the sum is 42.

The spelling of 61230617970 in words is "sixty-one billion, two hundred thirty million, six hundred seventeen thousand, nine hundred seventy".