61268570072574 has 32 divisors (see below), whose sum is σ = 124168664785920. Its totient is φ = 20151271007712.

The previous prime is 61268570072539. The next prime is 61268570072617. The reversal of 61268570072574 is 47527007586216.

It is a congruent number.

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, 41154097 + ... + 42616860.

It is an arithmetic number, because the mean of its divisors is an integer number (3880270774560).

Almost surely, 2^{61268570072574} is an apocalyptic number.

61268570072574 is an abundant number, since it is smaller than the sum of its proper divisors (62900094713346).

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

61268570072574 is a wasteful number, since it uses less digits than its factorization.

61268570072574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83772584.

The product of its (nonzero) digits is 39513600, while the sum is 60.

The spelling of 61268570072574 in words is "sixty-one trillion, two hundred sixty-eight billion, five hundred seventy million, seventy-two thousand, five hundred seventy-four".