61457372 has 6 divisors (see below), whose sum is σ = 107550408. Its totient is φ = 30728684.

The previous prime is 61457359. The next prime is 61457377. The reversal of 61457372 is 27375416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61457377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7682168 + ... + 7682175.

It is an arithmetic number, because the mean of its divisors is an integer number (17925068).

Almost surely, 2^61457372 is an apocalyptic number.

It is an amenable number.

61457372 is a deficient number, since it is larger than the sum of its proper divisors (46093036).

61457372 is a wasteful number, since it uses less digits than its factorization.

61457372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15364347 (or 15364345 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 61457372 is about 7839.4752375398. The cubic root of 61457372 is about 394.6311185238.

The spelling of 61457372 in words is "sixty-one million, four hundred fifty-seven thousand, three hundred seventy-two".