61610474 has 4 divisors (see below), whose sum is σ = 92415714. Its totient is φ = 30805236.

The previous prime is 61610473. The next prime is 61610477. The reversal of 61610474 is 47401616.

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

It can be written as a sum of positive squares in only one way, i.e., 40386025 + 21224449 = 6355^2 + 4607^2 .

It is not an unprimeable number, because it can be changed into a prime (61610473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15402617 + ... + 15402620.

Almost surely, 2^61610474 is an apocalyptic number.

61610474 is a deficient number, since it is larger than the sum of its proper divisors (30805240).

61610474 is a wasteful number, since it uses less digits than its factorization.

61610474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30805239.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 61610474 is about 7849.2339753635. The cubic root of 61610474 is about 394.9585471641.

The spelling of 61610474 in words is "sixty-one million, six hundred ten thousand, four hundred seventy-four".