61772374 has 4 divisors (see below), whose sum is σ = 92658564. Its totient is φ = 30886186.

The previous prime is 61772369. The next prime is 61772377. The reversal of 61772374 is 47327716.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61772377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15443092 + ... + 15443095.

It is an arithmetic number, because the mean of its divisors is an integer number (23164641).

Almost surely, 2^61772374 is an apocalyptic number.

61772374 is a deficient number, since it is larger than the sum of its proper divisors (30886190).

61772374 is a wasteful number, since it uses less digits than its factorization.

61772374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30886189.

The product of its digits is 49392, while the sum is 37.

The square root of 61772374 is about 7859.5403173468. The cubic root of 61772374 is about 395.3042019193.

The spelling of 61772374 in words is "sixty-one million, seven hundred seventy-two thousand, three hundred seventy-four".