37490040 has 384 divisors, whose sum is σ = 157248000. Its totient is φ = 7838208.

The previous prime is 37490017. The next prime is 37490041. The reversal of 37490040 is 4009473.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 37489986 and 37490013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37490041) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1292746 + ... + 1292774.

It is an arithmetic number, because the mean of its divisors is an integer number (409500).

Almost surely, 2^37490040 is an apocalyptic number.

37490040 is a gapful number since it is divisible by the number (30) 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 37490040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78624000).

37490040 is an abundant number, since it is smaller than the sum of its proper divisors (119757960).

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

37490040 is a wasteful number, since it uses less digits than its factorization.

37490040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 37490040 is about 6122.9110723577. The cubic root of 37490040 is about 334.6868388519.

The spelling of 37490040 in words is "thirty-seven million, four hundred ninety thousand, forty".