7242357 has 8 divisors (see below), whose sum is σ = 10224576. Its totient is φ = 4544192.

The previous prime is 7242349. The next prime is 7242359. The reversal of 7242357 is 7532427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7242357 - 2³ = 7242349 is a prime.

7242357 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7242359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70953 + ... + 71054.

It is an arithmetic number, because the mean of its divisors is an integer number (1278072).

Almost surely, 2^7242357 is an apocalyptic number.

It is an amenable number.

7242357 is a deficient number, since it is larger than the sum of its proper divisors (2982219).

7242357 is a wasteful number, since it uses less digits than its factorization.

7242357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142027.

The product of its digits is 11760, while the sum is 30.

The square root of 7242357 is about 2691.1627598494. The cubic root of 7242357 is about 193.4757963704.

It can be divided in two parts, 724 and 2357, that added together give a triangular number (3081 = T₇₈).

The spelling of 7242357 in words is "seven million, two hundred forty-two thousand, three hundred fifty-seven".