1156726374 has 32 divisors (see below), whose sum is σ = 2418339840. Its totient is φ = 368409600.

The previous prime is 1156726357. The next prime is 1156726433. The reversal of 1156726374 is 4736276511.

It is a happy number.

1156726374 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24667 + ... + 54054.

It is an arithmetic number, because the mean of its divisors is an integer number (75573120).

Almost surely, 2^1156726374 is an apocalyptic number.

1156726374 is an abundant number, since it is smaller than the sum of its proper divisors (1261613466).

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

1156726374 is a wasteful number, since it uses less digits than its factorization.

1156726374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78836.

The product of its digits is 211680, while the sum is 42.

The square root of 1156726374 is about 34010.6802931079. The cubic root of 1156726374 is about 1049.7282362434.

The spelling of 1156726374 in words is "one billion, one hundred fifty-six million, seven hundred twenty-six thousand, three hundred seventy-four".