874761840 has 60 divisors (see below), whose sum is σ = 2937744264. Its totient is φ = 233269632.

The previous prime is 874761787. The next prime is 874761841. The reversal of 874761840 is 48167478.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874761841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 606754 + ... + 608193.

Almost surely, 2^874761840 is an apocalyptic number.

874761840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

874761840 is an abundant number, since it is smaller than the sum of its proper divisors (2062982424).

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

874761840 is a wasteful number, since it uses less digits than its factorization.

874761840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214966 (or 1214957 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 874761840 is about 29576.3730027872. The cubic root of 874761840 is about 956.3788056660.

The spelling of 874761840 in words is "eight hundred seventy-four million, seven hundred sixty-one thousand, eight hundred forty".