7437994 has 4 divisors (see below), whose sum is σ = 11156994. Its totient is φ = 3718996.

The previous prime is 7437973. The next prime is 7438001. The reversal of 7437994 is 4997347.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4997347 = 83 ⋅60209.

It can be written as a sum of positive squares in only one way, i.e., 5349969 + 2088025 = 2313^2 + 1445^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7437994.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1859497 + ... + 1859500.

Almost surely, 2^7437994 is an apocalyptic number.

7437994 is a deficient number, since it is larger than the sum of its proper divisors (3719000).

7437994 is a wasteful number, since it uses less digits than its factorization.

7437994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718999.

The product of its digits is 190512, while the sum is 43.

The square root of 7437994 is about 2727.2685969666. The cubic root of 7437994 is about 195.2024546464.

The spelling of 7437994 in words is "seven million, four hundred thirty-seven thousand, nine hundred ninety-four".