37400045 has 8 divisors (see below), whose sum is σ = 44933400. Its totient is φ = 29884480.

The previous prime is 37400039. The next prime is 37400071. The reversal of 37400045 is 54000473.

It can be written as a sum of positive squares in 4 ways, for example, as 4932841 + 32467204 = 2221^2 + 5698^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 37400045 - 2¹⁸ = 37137901 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731 + ... + 8679.

It is an arithmetic number, because the mean of its divisors is an integer number (5616675).

Almost surely, 2^37400045 is an apocalyptic number.

It is an amenable number.

37400045 is a deficient number, since it is larger than the sum of its proper divisors (7533355).

37400045 is an equidigital number, since it uses as much as digits as its factorization.

37400045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8895.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 37400045 is about 6115.5576197106. The cubic root of 37400045 is about 334.4188185507.

The spelling of 37400045 in words is "thirty-seven million, four hundred thousand, forty-five".