742378473 has 32 divisors (see below), whose sum is σ = 1130734080. Its totient is φ = 481178880.

The previous prime is 742378451. The next prime is 742378499. The reversal of 742378473 is 374873247.

It is not a de Polignac number, because 742378473 - 2⁶ = 742378409 is a prime.

It is a super-2 number, since 2×742378473² = 1102251594347623458, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (742378673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159408 + ... + 163998.

It is an arithmetic number, because the mean of its divisors is an integer number (35335440).

Almost surely, 2^742378473 is an apocalyptic number.

It is an amenable number.

742378473 is a deficient number, since it is larger than the sum of its proper divisors (388355607).

742378473 is a wasteful number, since it uses less digits than its factorization.

742378473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766 (or 4760 counting only the distinct ones).

The product of its digits is 790272, while the sum is 45.

The square root of 742378473 is about 27246.6231485665. The cubic root of 742378473 is about 905.4722047602.

The spelling of 742378473 in words is "seven hundred forty-two million, three hundred seventy-eight thousand, four hundred seventy-three".