742323153 has 16 divisors (see below), whose sum is σ = 1162800576. Its totient is φ = 415285440.

The previous prime is 742323107. The next prime is 742323167. The reversal of 742323153 is 351323247.

It is not a de Polignac number, because 742323153 - 2¹⁴ = 742306769 is a prime.

It is a super-2 number, since 2×742323153² = 1102087326959722818, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 742323153.

It is not an unprimeable number, because it can be changed into a prime (742323553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 864750 + ... + 865607.

It is an arithmetic number, because the mean of its divisors is an integer number (72675036).

Almost surely, 2^742323153 is an apocalyptic number.

It is an amenable number.

742323153 is a deficient number, since it is larger than the sum of its proper divisors (420477423).

742323153 is a wasteful number, since it uses less digits than its factorization.

742323153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730384.

The product of its digits is 15120, while the sum is 30.

The square root of 742323153 is about 27245.6079579810. The cubic root of 742323153 is about 905.4497131029.

The spelling of 742323153 in words is "seven hundred forty-two million, three hundred twenty-three thousand, one hundred fifty-three".