74148477 has 16 divisors (see below), whose sum is σ = 107032128. Its totient is φ = 45388800.

The previous prime is 74148461. The next prime is 74148491. The reversal of 74148477 is 77484147.

It is not a de Polignac number, because 74148477 - 2⁴ = 74148461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74948477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2602 + ... + 12452.

It is an arithmetic number, because the mean of its divisors is an integer number (6689508).

Almost surely, 2^74148477 is an apocalyptic number.

It is an amenable number.

74148477 is a deficient number, since it is larger than the sum of its proper divisors (32883651).

74148477 is a wasteful number, since it uses less digits than its factorization.

74148477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10060.

The product of its digits is 175616, while the sum is 42.

The square root of 74148477 is about 8610.9509927766. The cubic root of 74148477 is about 420.1142489644.

The spelling of 74148477 in words is "seventy-four million, one hundred forty-eight thousand, four hundred seventy-seven".