7422487 has 2 divisors, whose sum is σ = 7422488. Its totient is φ = 7422486.

The previous prime is 7422479. The next prime is 7422497. The reversal of 7422487 is 7842247.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7422487 - 2³ = 7422479 is a prime.

It is a super-3 number, since 3×7422487³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7422497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3711243 + 3711244.

It is an arithmetic number, because the mean of its divisors is an integer number (3711244).

Almost surely, 2^7422487 is an apocalyptic number.

7422487 is a deficient number, since it is larger than the sum of its proper divisors (1).

7422487 is an equidigital number, since it uses as much as digits as its factorization.

7422487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25088, while the sum is 34.

The square root of 7422487 is about 2724.4241593408. The cubic root of 7422487 is about 195.0667052088.

The spelling of 7422487 in words is "seven million, four hundred twenty-two thousand, four hundred eighty-seven".