61372500 has 180 divisors, whose sum is σ = 209407968. Its totient is φ = 13944000.

The previous prime is 61372483. The next prime is 61372501. The reversal of 61372500 is 527316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61372501) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 367417 + ... + 367583.

Almost surely, 2^61372500 is an apocalyptic number.

61372500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61372500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104703984).

61372500 is an abundant number, since it is smaller than the sum of its proper divisors (148035468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61372500 is a wasteful number, since it uses less digits than its factorization.

61372500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 61372500 is about 7834.0602499598. The cubic root of 61372500 is about 394.4493743277.

Adding to 61372500 its reverse (527316), we get a palindrome (61899816).

The spelling of 61372500 in words is "sixty-one million, three hundred seventy-two thousand, five hundred".