61736028 has 12 divisors (see below), whose sum is σ = 144050760. Its totient is φ = 20578672.

The previous prime is 61735987. The next prime is 61736029. The reversal of 61736028 is 82063716.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×61736028² = 7622674306433568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61736028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61736029) 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, 2572323 + ... + 2572346.

It is an arithmetic number, because the mean of its divisors is an integer number (12004230).

Almost surely, 2^61736028 is an apocalyptic number.

It is an amenable number.

61736028 is an abundant number, since it is smaller than the sum of its proper divisors (82314732).

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

61736028 is a wasteful number, since it uses less digits than its factorization.

61736028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5144676 (or 5144674 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 61736028 is about 7857.2277553855. The cubic root of 61736028 is about 395.2266562224.

The spelling of 61736028 in words is "sixty-one million, seven hundred thirty-six thousand, twenty-eight".