37421994 has 8 divisors (see below), whose sum is σ = 74844000. Its totient is φ = 12473996.

The previous prime is 37421987. The next prime is 37421999. The reversal of 37421994 is 49912473.

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

37421994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (37421999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3118494 + ... + 3118505.

It is an arithmetic number, because the mean of its divisors is an integer number (9355500).

Almost surely, 2^37421994 is an apocalyptic number.

37421994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

37421994 is a wasteful number, since it uses less digits than its factorization.

37421994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6237004.

The product of its digits is 54432, while the sum is 39.

The square root of 37421994 is about 6117.3518780597. The cubic root of 37421994 is about 334.4842259873.

The spelling of 37421994 in words is "thirty-seven million, four hundred twenty-one thousand, nine hundred ninety-four".