61692969 has 16 divisors (see below), whose sum is σ = 92437632. Its totient is φ = 36313728.

The previous prime is 61692959. The next prime is 61692989. The reversal of 61692969 is 96929616.

It is a happy number.

It is not a de Polignac number, because 61692969 - 2⁹ = 61692457 is a prime.

It is a super-2 number, since 2×61692969² = 7612044848069922, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (61692929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33492 + ... + 35285.

It is an arithmetic number, because the mean of its divisors is an integer number (5777352).

Almost surely, 2^61692969 is an apocalyptic number.

61692969 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

61692969 is a deficient number, since it is larger than the sum of its proper divisors (30744663).

61692969 is a wasteful number, since it uses less digits than its factorization.

61692969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68816.

The product of its digits is 314928, while the sum is 48.

The square root of 61692969 is about 7854.4871888622. The cubic root of 61692969 is about 395.1347486648.

The spelling of 61692969 in words is "sixty-one million, six hundred ninety-two thousand, nine hundred sixty-nine".