74145098 has 4 divisors (see below), whose sum is σ = 111217650. Its totient is φ = 37072548.

The previous prime is 74145091. The next prime is 74145101. The reversal of 74145098 is 89054147.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50651689 + 23493409 = 7117^2 + 4847^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (74145091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18536273 + ... + 18536276.

Almost surely, 2^74145098 is an apocalyptic number.

74145098 is a deficient number, since it is larger than the sum of its proper divisors (37072552).

74145098 is a wasteful number, since it uses less digits than its factorization.

74145098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37072551.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 74145098 is about 8610.7547868930. The cubic root of 74145098 is about 420.1078672302.

The spelling of 74145098 in words is "seventy-four million, one hundred forty-five thousand, ninety-eight".