7542942 has 32 divisors (see below), whose sum is σ = 17176320. Its totient is φ = 2185920.

The previous prime is 7542923. The next prime is 7542947. The reversal of 7542942 is 2492457.

7542942 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7542947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 967 + ... + 4002.

It is an arithmetic number, because the mean of its divisors is an integer number (536760).

Almost surely, 2^7542942 is an apocalyptic number.

7542942 is an abundant number, since it is smaller than the sum of its proper divisors (9633378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7542942 is a wasteful number, since it uses less digits than its factorization.

7542942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008.

The product of its digits is 20160, while the sum is 33.

The square root of 7542942 is about 2746.4416979066. The cubic root of 7542942 is about 196.1162540921.

The spelling of 7542942 in words is "seven million, five hundred forty-two thousand, nine hundred forty-two".