7373421 has 24 divisors (see below), whose sum is σ = 11793600. Its totient is φ = 4401600.

The previous prime is 7373411. The next prime is 7373447. The reversal of 7373421 is 1243737.

It is not a de Polignac number, because 7373421 - 2⁶ = 7373357 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7373411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6505 + ... + 7553.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

Almost surely, 2^7373421 is an apocalyptic number.

7373421 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

7373421 is a deficient number, since it is larger than the sum of its proper divisors (4420179).

7373421 is a wasteful number, since it uses less digits than its factorization.

7373421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1134 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 7373421 is about 2715.4043897733. The cubic root of 7373421 is about 194.6359281833.

The spelling of 7373421 in words is "seven million, three hundred seventy-three thousand, four hundred twenty-one".