742487415 has 32 divisors (see below), whose sum is σ = 1252531200. Its totient is φ = 374544000.

The previous prime is 742487411. The next prime is 742487423. The reversal of 742487415 is 514784247.

It is not a de Polignac number, because 742487415 - 2² = 742487411 is a prime.

It is a super-2 number, since 2×742487415² = 1102575122866764450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742487411) 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, 212301 + ... + 215769.

It is an arithmetic number, because the mean of its divisors is an integer number (39141600).

Almost surely, 2^742487415 is an apocalyptic number.

742487415 is a deficient number, since it is larger than the sum of its proper divisors (510043785).

742487415 is a wasteful number, since it uses less digits than its factorization.

742487415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4247.

The product of its digits is 250880, while the sum is 42.

The square root of 742487415 is about 27248.6222587492. The cubic root of 742487415 is about 905.5164944461.

The spelling of 742487415 in words is "seven hundred forty-two million, four hundred eighty-seven thousand, four hundred fifteen".