61662375 has 48 divisors (see below), whose sum is σ = 113162400. Its totient is φ = 32294400.

The previous prime is 61662371. The next prime is 61662389. The reversal of 61662375 is 57326616.

61662375 is a `hidden beast` number, since 616 + 6 + 2 + 37 + 5 = 666.

It is not a de Polignac number, because 61662375 - 2² = 61662371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61662371) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65911 + ... + 66839.

It is an arithmetic number, because the mean of its divisors is an integer number (2357550).

Almost surely, 2^61662375 is an apocalyptic number.

61662375 is a deficient number, since it is larger than the sum of its proper divisors (51500025).

61662375 is a wasteful number, since it uses less digits than its factorization.

61662375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009 (or 996 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 61662375 is about 7852.5393981820. The cubic root of 61662375 is about 395.0694211159.

The spelling of 61662375 in words is "sixty-one million, six hundred sixty-two thousand, three hundred seventy-five".