37948945 has 8 divisors (see below), whose sum is σ = 45581760. Its totient is φ = 30330480.

The previous prime is 37948927. The next prime is 37948957. The reversal of 37948945 is 54984973.

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

It is not a de Polignac number, because 37948945 - 2¹⁷ = 37817873 is a prime.

It is a super-2 number, since 2×37948945² = 2880244853226050, which contains 22 as substring.

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, 3516 + ... + 9394.

It is an arithmetic number, because the mean of its divisors is an integer number (5697720).

Almost surely, 2^37948945 is an apocalyptic number.

It is an amenable number.

37948945 is a deficient number, since it is larger than the sum of its proper divisors (7632815).

37948945 is a wasteful number, since it uses less digits than its factorization.

37948945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7175.

The product of its digits is 1088640, while the sum is 49.

The square root of 37948945 is about 6160.2715037570. The cubic root of 37948945 is about 336.0469068347.

The spelling of 37948945 in words is "thirty-seven million, nine hundred forty-eight thousand, nine hundred forty-five".