7542023457 has 16 divisors (see below), whose sum is σ = 10635480320. Its totient is φ = 4740800400.

The previous prime is 7542023407. The next prime is 7542023473. The reversal of 7542023457 is 7543202457.

It is not a de Polignac number, because 7542023457 - 2⁷ = 7542023329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7542023407) 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, 301519 + ... + 325572.

It is an arithmetic number, because the mean of its divisors is an integer number (664717520).

Almost surely, 2^7542023457 is an apocalyptic number.

It is an amenable number.

7542023457 is a deficient number, since it is larger than the sum of its proper divisors (3093456863).

7542023457 is a wasteful number, since it uses less digits than its factorization.

7542023457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627324.

The product of its (nonzero) digits is 235200, while the sum is 39.

The square root of 7542023457 is about 86844.8240081123. The cubic root of 7542023457 is about 1961.0829307255.

The spelling of 7542023457 in words is "seven billion, five hundred forty-two million, twenty-three thousand, four hundred fifty-seven".