45720004 has 48 divisors (see below), whose sum is σ = 97312320. Its totient is φ = 18524160.

The previous prime is 45719981. The next prime is 45720007. The reversal of 45720004 is 40002754.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (45720007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12604 + ... + 15820.

It is an arithmetic number, because the mean of its divisors is an integer number (2027340).

Almost surely, 2^45720004 is an apocalyptic number.

45720004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

45720004 is an abundant number, since it is smaller than the sum of its proper divisors (51592316).

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

45720004 is a wasteful number, since it uses less digits than its factorization.

45720004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268 (or 3266 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 45720004 is about 6761.6568975363. The cubic root of 45720004 is about 357.5763222382.

Adding to 45720004 its reverse (40002754), we get a palindrome (85722758).

The spelling of 45720004 in words is "forty-five million, seven hundred twenty thousand, four".