61262572 has 48 divisors (see below), whose sum is σ = 127547392. Its totient is φ = 25194240.

The previous prime is 61262521. The next prime is 61262599. The reversal of 61262572 is 27526216.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141268 + ... + 141700.

Almost surely, 2^61262572 is an apocalyptic number.

61262572 is a gapful number since it is divisible by the number (62) 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 61262572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63773696).

61262572 is an abundant number, since it is smaller than the sum of its proper divisors (66284820).

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

61262572 is a wasteful number, since it uses less digits than its factorization.

61262572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 636 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 61262572 is about 7827.0410756556. The cubic root of 61262572 is about 394.2137261928.

Adding to 61262572 its reverse (27526216), we get a palindrome (88788788).

The spelling of 61262572 in words is "sixty-one million, two hundred sixty-two thousand, five hundred seventy-two".