74469142 has 8 divisors (see below), whose sum is σ = 121858632. Its totient is φ = 33849600.

The previous prime is 74469119. The next prime is 74469149. The reversal of 74469142 is 24196447.

It is a happy number.

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

It is a super-2 number, since 2×74469142² = 11091306220432328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74469149) 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, 1692459 + ... + 1692502.

It is an arithmetic number, because the mean of its divisors is an integer number (15232329).

Almost surely, 2^74469142 is an apocalyptic number.

74469142 is a deficient number, since it is larger than the sum of its proper divisors (47389490).

74469142 is a wasteful number, since it uses less digits than its factorization.

74469142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384974.

The product of its digits is 48384, while the sum is 37.

The square root of 74469142 is about 8629.5505097311. The cubic root of 74469142 is about 420.7189914455.

The spelling of 74469142 in words is "seventy-four million, four hundred sixty-nine thousand, one hundred forty-two".