75457641 has 16 divisors (see below), whose sum is σ = 119983104. Its totient is φ = 41243664.

The previous prime is 75457631. The next prime is 75457643. The reversal of 75457641 is 14675457.

It is not a de Polignac number, because 75457641 - 2²¹ = 73360489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75457641.

It is not an unprimeable number, because it can be changed into a prime (75457643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77631 + ... + 78596.

It is an arithmetic number, because the mean of its divisors is an integer number (7498944).

Almost surely, 2^75457641 is an apocalyptic number.

It is an amenable number.

75457641 is a deficient number, since it is larger than the sum of its proper divisors (44525463).

75457641 is a wasteful number, since it uses less digits than its factorization.

75457641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156260.

The product of its digits is 117600, while the sum is 39.

The square root of 75457641 is about 8686.6357699630. The cubic root of 75457641 is about 422.5723480555.

The spelling of 75457641 in words is "seventy-five million, four hundred fifty-seven thousand, six hundred forty-one".