742710431 has 4 divisors (see below), whose sum is σ = 766668864. Its totient is φ = 718752000.

The previous prime is 742710427. The next prime is 742710439. The reversal of 742710431 is 134017247.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 742710431 - 2² = 742710427 is a prime.

It is a super-2 number, since 2×742710431² = 1103237568632411522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742710394 and 742710403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742710439) 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, 11979170 + ... + 11979231.

It is an arithmetic number, because the mean of its divisors is an integer number (191667216).

Almost surely, 2^742710431 is an apocalyptic number.

742710431 is a deficient number, since it is larger than the sum of its proper divisors (23958433).

742710431 is a wasteful number, since it uses less digits than its factorization.

742710431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23958432.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 742710431 is about 27252.7141951036. The cubic root of 742710431 is about 905.6071466901.

Adding to 742710431 its reverse (134017247), we get a palindrome (876727678).

The spelling of 742710431 in words is "seven hundred forty-two million, seven hundred ten thousand, four hundred thirty-one".