7542700663 has 4 divisors (see below), whose sum is σ = 7574260320. Its totient is φ = 7511141008.

The previous prime is 7542700621. The next prime is 7542700679. The reversal of 7542700663 is 3660072457.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3660072457 = 1847 ⋅1981631.

It is a cyclic number.

It is not a de Polignac number, because 7542700663 - 2²⁵ = 7509146231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7542700163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15779470 + ... + 15779947.

It is an arithmetic number, because the mean of its divisors is an integer number (1893565080).

Almost surely, 2^7542700663 is an apocalyptic number.

7542700663 is a deficient number, since it is larger than the sum of its proper divisors (31559657).

7542700663 is a wasteful number, since it uses less digits than its factorization.

7542700663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31559656.

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 7542700663 is about 86848.7228633789. The cubic root of 7542700663 is about 1961.1416248495.

The spelling of 7542700663 in words is "seven billion, five hundred forty-two million, seven hundred thousand, six hundred sixty-three".