74263438 has 8 divisors (see below), whose sum is σ = 117258120. Its totient is φ = 35177400.

The previous prime is 74263433. The next prime is 74263439. The reversal of 74263438 is 83436247.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 74263397 and 74263406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74263433) 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, 977113 + ... + 977188.

It is an arithmetic number, because the mean of its divisors is an integer number (14657265).

Almost surely, 2^74263438 is an apocalyptic number.

74263438 is a deficient number, since it is larger than the sum of its proper divisors (42994682).

74263438 is a wasteful number, since it uses less digits than its factorization.

74263438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954322.

The product of its digits is 96768, while the sum is 37.

The square root of 74263438 is about 8617.6236863767. The cubic root of 74263438 is about 420.3312541661.

The spelling of 74263438 in words is "seventy-four million, two hundred sixty-three thousand, four hundred thirty-eight".