7540143874 has 16 divisors (see below), whose sum is σ = 11484878328. Its totient is φ = 3712246272.

The previous prime is 7540143833. The next prime is 7540143913. The reversal of 7540143874 is 4783410457.

It can be written as a sum of positive squares in 4 ways, for example, as 7190192025 + 349951849 = 84795^2 + 18707^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7540143874.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60429 + ... + 136864.

Almost surely, 2^7540143874 is an apocalyptic number.

7540143874 is a deficient number, since it is larger than the sum of its proper divisors (3944734454).

7540143874 is a wasteful number, since it uses less digits than its factorization.

7540143874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197589.

The product of its (nonzero) digits is 376320, while the sum is 43.

The square root of 7540143874 is about 86834.0018310800. The cubic root of 7540143874 is about 1960.9200069688.

The spelling of 7540143874 in words is "seven billion, five hundred forty million, one hundred forty-three thousand, eight hundred seventy-four".