61328710374 has 16 divisors (see below), whose sum is σ = 123335088240. Its totient is φ = 20329958880.

The previous prime is 61328710369. The next prime is 61328710379. The reversal of 61328710374 is 47301782316.

It is an interprime number because it is at equal distance from previous prime (61328710369) and next prime (61328710379).

It is a super-2 number, since 2×61328710374² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61328710379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28234969 + ... + 28237140.

It is an arithmetic number, because the mean of its divisors is an integer number (7708443015).

Almost surely, 2^61328710374 is an apocalyptic number.

61328710374 is an abundant number, since it is smaller than the sum of its proper divisors (62006377866).

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

61328710374 is a wasteful number, since it uses less digits than its factorization.

61328710374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56472295.

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 61328710374 in words is "sixty-one billion, three hundred twenty-eight million, seven hundred ten thousand, three hundred seventy-four".