61324136 has 8 divisors (see below), whose sum is σ = 114982770. Its totient is φ = 30662064.

The previous prime is 61324121. The next prime is 61324157. The reversal of 61324136 is 63142316.

It can be written as a sum of positive squares in only one way, i.e., 51122500 + 10201636 = 7150^2 + 3194^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×61324136² = 7521299312292992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3832751 + ... + 3832766.

Almost surely, 2^61324136 is an apocalyptic number.

It is an amenable number.

61324136 is a deficient number, since it is larger than the sum of its proper divisors (53658634).

61324136 is a wasteful number, since it uses less digits than its factorization.

61324136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7665523 (or 7665519 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 61324136 is about 7830.9728642104. The cubic root of 61324136 is about 394.3457331044.

The spelling of 61324136 in words is "sixty-one million, three hundred twenty-four thousand, one hundred thirty-six".