74148622 has 4 divisors (see below), whose sum is σ = 111222936. Its totient is φ = 37074310.

The previous prime is 74148617. The next prime is 74148653. The reversal of 74148622 is 22684147.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22684147 = 4447 ⋅5101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18537154 + ... + 18537157.

It is an arithmetic number, because the mean of its divisors is an integer number (27805734).

Almost surely, 2^74148622 is an apocalyptic number.

74148622 is a deficient number, since it is larger than the sum of its proper divisors (37074314).

74148622 is a wasteful number, since it uses less digits than its factorization.

74148622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37074313.

The product of its digits is 21504, while the sum is 34.

The square root of 74148622 is about 8610.9594122839. The cubic root of 74148622 is about 420.1145228137.

The spelling of 74148622 in words is "seventy-four million, one hundred forty-eight thousand, six hundred twenty-two".