7421662 has 4 divisors (see below), whose sum is σ = 11132496. Its totient is φ = 3710830.

The previous prime is 7421641. The next prime is 7421677. The reversal of 7421662 is 2661247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2661247 = 61 ⋅43627.

It is a self number, because there is not a number n which added to its sum of digits gives 7421662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1855414 + ... + 1855417.

It is an arithmetic number, because the mean of its divisors is an integer number (2783124).

Almost surely, 2^7421662 is an apocalyptic number.

7421662 is a deficient number, since it is larger than the sum of its proper divisors (3710834).

7421662 is a wasteful number, since it uses less digits than its factorization.

7421662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710833.

The product of its digits is 4032, while the sum is 28.

The square root of 7421662 is about 2724.2727469914. The cubic root of 7421662 is about 195.0594778022.

It can be divided in two parts, 74 and 21662, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 7421662 in words is "seven million, four hundred twenty-one thousand, six hundred sixty-two".