61620092 has 6 divisors (see below), whose sum is σ = 107835168. Its totient is φ = 30810044.

The previous prime is 61620077. The next prime is 61620109. The reversal of 61620092 is 29002616.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7702508 + ... + 7702515.

It is an arithmetic number, because the mean of its divisors is an integer number (17972528).

Almost surely, 2^61620092 is an apocalyptic number.

It is an amenable number.

61620092 is a deficient number, since it is larger than the sum of its proper divisors (46215076).

61620092 is a wasteful number, since it uses less digits than its factorization.

61620092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15405027 (or 15405025 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 61620092 is about 7849.8466227054. The cubic root of 61620092 is about 394.9790983973.

The spelling of 61620092 in words is "sixty-one million, six hundred twenty thousand, ninety-two".