61377532 has 24 divisors (see below), whose sum is σ = 108994032. Its totient is φ = 30240000.

The previous prime is 61377521. The next prime is 61377539. The reversal of 61377532 is 23577316.

It is a super-2 number, since 2×61377532² = 7534402868822048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61377539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113182 + ... + 113722.

It is an arithmetic number, because the mean of its divisors is an integer number (4541418).

Almost surely, 2^61377532 is an apocalyptic number.

It is an amenable number.

61377532 is a deficient number, since it is larger than the sum of its proper divisors (47616500).

61377532 is a wasteful number, since it uses less digits than its factorization.

61377532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 907 counting only the distinct ones).

The product of its digits is 26460, while the sum is 34.

The square root of 61377532 is about 7834.3814050632. The cubic root of 61377532 is about 394.4601544817.

The spelling of 61377532 in words is "sixty-one million, three hundred seventy-seven thousand, five hundred thirty-two".