742155473 has 8 divisors (see below), whose sum is σ = 761300736. Its totient is φ = 723060000.

The previous prime is 742155457. The next prime is 742155493. The reversal of 742155473 is 374551247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 742155473 - 2⁴ = 742155457 is a prime.

It is a super-2 number, since 2×742155473² = 1101589492207707458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742155413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18740 + ... + 42842.

It is an arithmetic number, because the mean of its divisors is an integer number (95162592).

Almost surely, 2^742155473 is an apocalyptic number.

It is an amenable number.

742155473 is a deficient number, since it is larger than the sum of its proper divisors (19145263).

742155473 is a wasteful number, since it uses less digits than its factorization.

742155473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24895.

The product of its digits is 117600, while the sum is 38.

The square root of 742155473 is about 27242.5305909712. The cubic root of 742155473 is about 905.3815319968.

The spelling of 742155473 in words is "seven hundred forty-two million, one hundred fifty-five thousand, four hundred seventy-three".