37045397 has 4 divisors (see below), whose sum is σ = 39224556. Its totient is φ = 34866240.

The previous prime is 37045339. The next prime is 37045409. The reversal of 37045397 is 79354073.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30924721 + 6120676 = 5561^2 + 2474^2 .

It is a cyclic number.

It is not a de Polignac number, because 37045397 - 2¹⁶ = 36979861 is a prime.

It is a super-2 number, since 2×37045397² = 2744722877775218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 37045397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37045597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089554 + ... + 1089587.

It is an arithmetic number, because the mean of its divisors is an integer number (9806139).

Almost surely, 2^37045397 is an apocalyptic number.

It is an amenable number.

37045397 is a deficient number, since it is larger than the sum of its proper divisors (2179159).

37045397 is a wasteful number, since it uses less digits than its factorization.

37045397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179158.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 37045397 is about 6086.4929967922. The cubic root of 37045397 is about 333.3584113355.

The spelling of 37045397 in words is "thirty-seven million, forty-five thousand, three hundred ninety-seven".