742707707247 has 32 divisors (see below), whose sum is σ = 1239056209920. Its totient is φ = 435605688000.

The previous prime is 742707707227. The next prime is 742707707303.

742707707247 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 742707707247 - 2⁸ = 742707706991 is a prime.

It is a super-2 number, since 2×742707707247² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 742707707193 and 742707707202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742707707227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40324654 + ... + 40343067.

It is an arithmetic number, because the mean of its divisors is an integer number (38720506560).

Almost surely, 2^742707707247 is an apocalyptic number.

742707707247 is a deficient number, since it is larger than the sum of its proper divisors (496348502673).

742707707247 is a wasteful number, since it uses less digits than its factorization.

742707707247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80667772 (or 80667766 counting only the distinct ones).

The product of its (nonzero) digits is 7529536, while the sum is 54.

The spelling of 742707707247 in words is "seven hundred forty-two billion, seven hundred seven million, seven hundred seven thousand, two hundred forty-seven".