61826972 has 12 divisors (see below), whose sum is σ = 108291960. Its totient is φ = 30886416.

The previous prime is 61826959. The next prime is 61826981. The reversal of 61826972 is 27962816.

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 in 3 ways as a sum of consecutive naturals, for example, 1103 + ... + 11174.

It is an arithmetic number, because the mean of its divisors is an integer number (9024330).

Almost surely, 2^61826972 is an apocalyptic number.

It is an amenable number.

61826972 is a deficient number, since it is larger than the sum of its proper divisors (46464988).

61826972 is a wasteful number, since it uses less digits than its factorization.

61826972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13540 (or 13538 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 61826972 is about 7863.0129085485. The cubic root of 61826972 is about 395.4206318691.

The spelling of 61826972 in words is "sixty-one million, eight hundred twenty-six thousand, nine hundred seventy-two".