61207488 has 70 divisors (see below), whose sum is σ = 181453536. Its totient is φ = 20400768.

The previous prime is 61207483. The next prime is 61207501. The reversal of 61207488 is 88470216.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61207483) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 720 + ... + 11087.

Almost surely, 2^61207488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61207488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90726768).

61207488 is an abundant number, since it is smaller than the sum of its proper divisors (120246048).

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

61207488 is a wasteful number, since it uses less digits than its factorization.

61207488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11831 (or 11812 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 61207488 is about 7823.5214577580. The cubic root of 61207488 is about 394.0955388574.

The spelling of 61207488 in words is "sixty-one million, two hundred seven thousand, four hundred eighty-eight".