61975074 has 64 divisors (see below), whose sum is σ = 153216000. Its totient is φ = 16314048.

The previous prime is 61975051. The next prime is 61975097. The reversal of 61975074 is 47057916.

It is an interprime number because it is at equal distance from previous prime (61975051) and next prime (61975097).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28477 + ... + 30575.

It is an arithmetic number, because the mean of its divisors is an integer number (2394000).

Almost surely, 2^61975074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61975074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76608000).

61975074 is an abundant number, since it is smaller than the sum of its proper divisors (91240926).

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

61975074 is a wasteful number, since it uses less digits than its factorization.

61975074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 61975074 is about 7872.4249123126. The cubic root of 61975074 is about 395.7361138552.

The spelling of 61975074 in words is "sixty-one million, nine hundred seventy-five thousand, seventy-four".