742772277247 has 48 divisors (see below), whose sum is σ = 1020252052512. Its totient is φ = 531548801280.

The previous prime is 742772277179. The next prime is 742772277253.

742772277247 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 742772277247 - 2¹⁵ = 742772244479 is a prime.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 742772277191 and 742772277200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742772277277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1111333 + ... + 1649425.

It is an arithmetic number, because the mean of its divisors is an integer number (21255251094).

Almost surely, 2^742772277247 is an apocalyptic number.

742772277247 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

742772277247 is a deficient number, since it is larger than the sum of its proper divisors (277479775265).

742772277247 is a wasteful number, since it uses less digits than its factorization.

742772277247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538328 (or 538321 counting only the distinct ones).

The product of its digits is 30118144, while the sum is 58.

The spelling of 742772277247 in words is "seven hundred forty-two billion, seven hundred seventy-two million, two hundred seventy-seven thousand, two hundred forty-seven".