74028590146 has 12 divisors (see below), whose sum is σ = 129172336038. Its totient is φ = 31726538592.

The previous prime is 74028590137. The next prime is 74028590213. The reversal of 74028590146 is 64109582047.

It can be written as a sum of positive squares in only one way, i.e., 73785573225 + 243016921 = 271635^2 + 15589^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74028590096 and 74028590105.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 377696791 + ... + 377696986.

Almost surely, 2^74028590146 is an apocalyptic number.

74028590146 is a deficient number, since it is larger than the sum of its proper divisors (55143745892).

74028590146 is a wasteful number, since it uses less digits than its factorization.

74028590146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755393793 (or 755393786 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 74028590146 in words is "seventy-four billion, twenty-eight million, five hundred ninety thousand, one hundred forty-six".