61009074 has 48 divisors (see below), whose sum is σ = 151549632. Its totient is φ = 17375904.

The previous prime is 61009051. The next prime is 61009079. The reversal of 61009074 is 47090016.

It is a super-2 number, since 2×61009074² = 7444214220674952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61009079) 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, 55272 + ... + 56364.

It is an arithmetic number, because the mean of its divisors is an integer number (3157284).

Almost surely, 2^61009074 is an apocalyptic number.

61009074 is an abundant number, since it is smaller than the sum of its proper divisors (90540558).

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

61009074 is a wasteful number, since it uses less digits than its factorization.

61009074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 61009074 is about 7810.8305576296. The cubic root of 61009074 is about 393.6692363454.

The spelling of 61009074 in words is "sixty-one million, nine thousand, seventy-four".