37420723 has 8 divisors (see below), whose sum is σ = 39800592. Its totient is φ = 35060736.

The previous prime is 37420697. The next prime is 37420729. The reversal of 37420723 is 32702473.

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 37420723 - 2⁹ = 37420211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37420691 and 37420700.

It is not an unprimeable number, because it can be changed into a prime (37420729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990 + ... + 8707.

It is an arithmetic number, because the mean of its divisors is an integer number (4975074).

Almost surely, 2^37420723 is an apocalyptic number.

37420723 is a deficient number, since it is larger than the sum of its proper divisors (2379869).

37420723 is a wasteful number, since it uses less digits than its factorization.

37420723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9941.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 37420723 is about 6117.2479923573. The cubic root of 37420723 is about 334.4804391388.

The spelling of 37420723 in words is "thirty-seven million, four hundred twenty thousand, seven hundred twenty-three".