742506136 has 16 divisors (see below), whose sum is σ = 1392854400. Its totient is φ = 371078304.

The previous prime is 742506133. The next prime is 742506137. The reversal of 742506136 is 631605247.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742506133) 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, 2815 + ... + 38638.

It is an arithmetic number, because the mean of its divisors is an integer number (87053400).

Almost surely, 2^742506136 is an apocalyptic number.

It is an amenable number.

742506136 is a deficient number, since it is larger than the sum of its proper divisors (650348264).

742506136 is a wasteful number, since it uses less digits than its factorization.

742506136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43698 (or 43694 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 742506136 is about 27248.9657785392. The cubic root of 742506136 is about 905.5241049148.

The spelling of 742506136 in words is "seven hundred forty-two million, five hundred six thousand, one hundred thirty-six".