61590032 has 20 divisors (see below), whose sum is σ = 136378176. Its totient is φ = 26395680.

The previous prime is 61590029. The next prime is 61590037. The reversal of 61590032 is 23009516.

It is a super-2 number, since 2×61590032² = 7586664083522048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61589983 and 61590010.

It is not an unprimeable number, because it can be changed into a prime (61590037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274844 + ... + 275067.

Almost surely, 2^61590032 is an apocalyptic number.

It is an amenable number.

61590032 is an abundant number, since it is smaller than the sum of its proper divisors (74788144).

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

61590032 is a wasteful number, since it uses less digits than its factorization.

61590032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549926 (or 549920 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 61590032 is about 7847.9317020474. The cubic root of 61590032 is about 394.9148606760.

Adding to 61590032 its reverse (23009516), we get a palindrome (84599548).

The spelling of 61590032 in words is "sixty-one million, five hundred ninety thousand, thirty-two".