37485645 has 32 divisors (see below), whose sum is σ = 61395840. Its totient is φ = 19526400.

The previous prime is 37485641. The next prime is 37485647. The reversal of 37485645 is 54658473.

It is not a de Polignac number, because 37485645 - 2² = 37485641 is a prime.

It is a super-3 number, since 3×37485645³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 37485597 and 37485606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37485641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165022 + ... + 165248.

It is an arithmetic number, because the mean of its divisors is an integer number (1918620).

Almost surely, 2^37485645 is an apocalyptic number.

It is an amenable number.

37485645 is a deficient number, since it is larger than the sum of its proper divisors (23910195).

37485645 is a wasteful number, since it uses less digits than its factorization.

37485645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445.

The product of its digits is 403200, while the sum is 42.

The square root of 37485645 is about 6122.5521639264. The cubic root of 37485645 is about 334.6737597679.

The spelling of 37485645 in words is "thirty-seven million, four hundred eighty-five thousand, six hundred forty-five".