61274738 has 32 divisors (see below), whose sum is σ = 111628800. Its totient is φ = 24663744.

The previous prime is 61274729. The next prime is 61274747. The reversal of 61274738 is 83747216.

It is an interprime number because it is at equal distance from previous prime (61274729) and next prime (61274747).

It is a Curzon 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, 12983 + ... + 17061.

It is an arithmetic number, because the mean of its divisors is an integer number (3488400).

Almost surely, 2^61274738 is an apocalyptic number.

61274738 is a deficient number, since it is larger than the sum of its proper divisors (50354062).

61274738 is a wasteful number, since it uses less digits than its factorization.

61274738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154.

The product of its digits is 56448, while the sum is 38.

The square root of 61274738 is about 7827.8182145474. The cubic root of 61274738 is about 394.2398198124.

The spelling of 61274738 in words is "sixty-one million, two hundred seventy-four thousand, seven hundred thirty-eight".