61219332 has 72 divisors (see below), whose sum is σ = 158722200. Its totient is φ = 19891200.

The previous prime is 61219331. The next prime is 61219343. The reversal of 61219332 is 23391216.

61219332 is a `hidden beast` number, since 612 + 19 + 3 + 32 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1218816 + 60000516 = 1104^2 + 7746^2 .

It is a super-2 number, since 2×61219332² = 7495613221052448, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 61219296 and 61219305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61219331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 410794 + ... + 410942.

It is an arithmetic number, because the mean of its divisors is an integer number (2204475).

Almost surely, 2^61219332 is an apocalyptic number.

It is an amenable number.

61219332 is an abundant number, since it is smaller than the sum of its proper divisors (97502868).

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

61219332 is a wasteful number, since it uses less digits than its factorization.

61219332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 368 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 61219332 is about 7824.2783692811. The cubic root of 61219332 is about 394.1209571337.

The spelling of 61219332 in words is "sixty-one million, two hundred nineteen thousand, three hundred thirty-two".