36720616 has 32 divisors (see below), whose sum is σ = 74822400. Its totient is φ = 16830720.

The previous prime is 36720571. The next prime is 36720617. The reversal of 36720616 is 61602763.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (36720617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816 + ... + 8608.

It is an arithmetic number, because the mean of its divisors is an integer number (2338200).

Almost surely, 2^36720616 is an apocalyptic number.

It is an amenable number.

36720616 is an abundant number, since it is smaller than the sum of its proper divisors (38101784).

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

36720616 is a wasteful number, since it uses less digits than its factorization.

36720616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7849 (or 7845 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 36720616 is about 6059.7537903780. The cubic root of 36720616 is about 332.3813540166.

The spelling of 36720616 in words is "thirty-six million, seven hundred twenty thousand, six hundred sixteen".