7401791 has 4 divisors (see below), whose sum is σ = 7723632. Its totient is φ = 7079952.

The previous prime is 7401787. The next prime is 7401799. The reversal of 7401791 is 1971047.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7401791 - 2² = 7401787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7401799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160886 + ... + 160931.

It is an arithmetic number, because the mean of its divisors is an integer number (1930908).

Almost surely, 2^7401791 is an apocalyptic number.

7401791 is a deficient number, since it is larger than the sum of its proper divisors (321841).

7401791 is a wasteful number, since it uses less digits than its factorization.

7401791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321840.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 7401791 is about 2720.6232741782. The cubic root of 7401791 is about 194.8852359992.

It can be divided in two parts, 7401 and 791, that added together give a 13-th power (8192 = 2¹³).

The spelling of 7401791 in words is "seven million, four hundred one thousand, seven hundred ninety-one".