61336572 has 48 divisors (see below), whose sum is σ = 156643200. Its totient is φ = 18525760.

The previous prime is 61336567. The next prime is 61336591. The reversal of 61336572 is 27563316.

It is a super-2 number, since 2×61336572² = 7524350129422368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54754 + ... + 55862.

It is an arithmetic number, because the mean of its divisors is an integer number (3263400).

Almost surely, 2^61336572 is an apocalyptic number.

It is an amenable number.

61336572 is an abundant number, since it is smaller than the sum of its proper divisors (95306628).

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

61336572 is a wasteful number, since it uses less digits than its factorization.

61336572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546 (or 1544 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The square root of 61336572 is about 7831.7668504623. The cubic root of 61336572 is about 394.3723879279.

Adding to 61336572 its reverse (27563316), we get a palindrome (88899888).

It can be divided in two parts, 61 and 336572, that added together give a palindrome (336633).

The spelling of 61336572 in words is "sixty-one million, three hundred thirty-six thousand, five hundred seventy-two".