1874351745 has 80 divisors (see below), whose sum is σ = 4065925248. Its totient is φ = 806423040.

The previous prime is 1874351741. The next prime is 1874351749. The reversal of 1874351745 is 5471534781.

It is an interprime number because it is at equal distance from previous prime (1874351741) and next prime (1874351749).

It is not a de Polignac number, because 1874351745 - 2² = 1874351741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1874351745.

It is not an unprimeable number, because it can be changed into a prime (1874351741) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 28750 + ... + 67640.

Almost surely, 2^1874351745 is an apocalyptic number.

1874351745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1874351745 is an abundant number, since it is smaller than the sum of its proper divisors (2191573503).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1874351745 is a wasteful number, since it uses less digits than its factorization.

1874351745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38932 (or 38923 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 1874351745 is about 43293.7841381416. The cubic root of 1874351745 is about 1232.9639110683.

The spelling of 1874351745 in words is "one billion, eight hundred seventy-four million, three hundred fifty-one thousand, seven hundred forty-five".