61870892 has 6 divisors (see below), whose sum is σ = 108274068. Its totient is φ = 30935444.

The previous prime is 61870889. The next prime is 61870901. The reversal of 61870892 is 29807816.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7733858 + ... + 7733865.

It is an arithmetic number, because the mean of its divisors is an integer number (18045678).

Almost surely, 2^61870892 is an apocalyptic number.

It is an amenable number.

61870892 is a deficient number, since it is larger than the sum of its proper divisors (46403176).

61870892 is a wasteful number, since it uses less digits than its factorization.

61870892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15467727 (or 15467725 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 61870892 is about 7865.8052353208. The cubic root of 61870892 is about 395.5142413026.

The spelling of 61870892 in words is "sixty-one million, eight hundred seventy thousand, eight hundred ninety-two".