61869762 has 24 divisors (see below), whose sum is σ = 136582524. Its totient is φ = 20233824.

The previous prime is 61869751. The next prime is 61869767. The reversal of 61869762 is 26796816.

It can be written as a sum of positive squares in 2 ways, for example, as 57744801 + 4124961 = 7599^2 + 2031^2 .

It is not an unprimeable number, because it can be changed into a prime (61869767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31473 + ... + 33380.

Almost surely, 2^61869762 is an apocalyptic number.

61869762 is an abundant number, since it is smaller than the sum of its proper divisors (74712762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61869762 is a wasteful number, since it uses less digits than its factorization.

61869762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64914 (or 64911 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 61869762 is about 7865.7334050933. The cubic root of 61869762 is about 395.5118334185.

The spelling of 61869762 in words is "sixty-one million, eight hundred sixty-nine thousand, seven hundred sixty-two".