45863720 has 128 divisors (see below), whose sum is σ = 128044800. Its totient is φ = 14432256.

The previous prime is 45863717. The next prime is 45863749. The reversal of 45863720 is 2736854.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196724 + ... + 196956.

It is an arithmetic number, because the mean of its divisors is an integer number (1000350).

Almost surely, 2^45863720 is an apocalyptic number.

45863720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45863720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64022400).

45863720 is an abundant number, since it is smaller than the sum of its proper divisors (82181080).

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

45863720 is a wasteful number, since it uses less digits than its factorization.

45863720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 45863720 is about 6772.2758360835. The cubic root of 45863720 is about 357.9505981372.

The spelling of 45863720 in words is "forty-five million, eight hundred sixty-three thousand, seven hundred twenty".