37220957 has 8 divisors (see below), whose sum is σ = 37982520. Its totient is φ = 36467200.

The previous prime is 37220903. The next prime is 37220971. The reversal of 37220957 is 75902273.

It can be written as a sum of positive squares in 4 ways, for example, as 811801 + 36409156 = 901^2 + 6034^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 37220957 - 2¹⁸ = 36958813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37220977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8207 + ... + 11907.

It is an arithmetic number, because the mean of its divisors is an integer number (4747815).

Almost surely, 2^37220957 is an apocalyptic number.

It is an amenable number.

37220957 is a deficient number, since it is larger than the sum of its proper divisors (761563).

37220957 is a wasteful number, since it uses less digits than its factorization.

37220957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 37220957 is about 6100.8980486482. The cubic root of 37220957 is about 333.8841824166.

The spelling of 37220957 in words is "thirty-seven million, two hundred twenty thousand, nine hundred fifty-seven".