7542089642 has 8 divisors (see below), whose sum is σ = 11335627296. Its totient is φ = 3763547212.

The previous prime is 7542089609. The next prime is 7542089683. The reversal of 7542089642 is 2469802457.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3747548 + ... + 3749559.

It is an arithmetic number, because the mean of its divisors is an integer number (1416953412).

Almost surely, 2^7542089642 is an apocalyptic number.

7542089642 is a deficient number, since it is larger than the sum of its proper divisors (3793537654).

7542089642 is a wasteful number, since it uses less digits than its factorization.

7542089642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7497612.

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 7542089642 is about 86845.2050604983. The cubic root of 7542089642 is about 1961.0886672008.

The spelling of 7542089642 in words is "seven billion, five hundred forty-two million, eighty-nine thousand, six hundred forty-two".