7487401 has 2 divisors, whose sum is σ = 7487402. Its totient is φ = 7487400.

The previous prime is 7487393. The next prime is 7487407. The reversal of 7487401 is 1047847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7155625 + 331776 = 2675^2 + 576^2 .

It is a cyclic number.

It is not a de Polignac number, because 7487401 - 2³ = 7487393 is a prime.

It is a super-2 number, since 2×7487401² = 112122347469602, which contains 22 as substring.

It is equal to p₅₀₇₄₈₇ and since 7487401 and 507487 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (7487407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3743700 + 3743701.

It is an arithmetic number, because the mean of its divisors is an integer number (3743701).

Almost surely, 2^7487401 is an apocalyptic number.

It is an amenable number.

7487401 is a deficient number, since it is larger than the sum of its proper divisors (1).

7487401 is an equidigital number, since it uses as much as digits as its factorization.

7487401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 7487401 is about 2736.3115685170. The cubic root of 7487401 is about 195.6337130315.

The spelling of 7487401 in words is "seven million, four hundred eighty-seven thousand, four hundred one".