61692638 has 16 divisors (see below), whose sum is σ = 106100064. Its totient is φ = 26354400.

The previous prime is 61692637. The next prime is 61692641. The reversal of 61692638 is 83629616.

It is a junction number, because it is equal to n+sod(n) for n = 61692595 and 61692604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61692637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2513 + ... + 11388.

It is an arithmetic number, because the mean of its divisors is an integer number (6631254).

Almost surely, 2^61692638 is an apocalyptic number.

61692638 is a deficient number, since it is larger than the sum of its proper divisors (44407426).

61692638 is a wasteful number, since it uses less digits than its factorization.

61692638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14227.

The product of its digits is 93312, while the sum is 41.

The square root of 61692638 is about 7854.4661180758. The cubic root of 61692638 is about 395.1340419941.

The spelling of 61692638 in words is "sixty-one million, six hundred ninety-two thousand, six hundred thirty-eight".