75271464 has 64 divisors (see below), whose sum is σ = 220104000. Its totient is φ = 23768640.

The previous prime is 75271463. The next prime is 75271477. The reversal of 75271464 is 46417257.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (75271463) 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, 5067 + ... + 13274.

It is an arithmetic number, because the mean of its divisors is an integer number (3439125).

Almost surely, 2^75271464 is an apocalyptic number.

It is an amenable number.

75271464 is an abundant number, since it is smaller than the sum of its proper divisors (144832536).

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

75271464 is a wasteful number, since it uses less digits than its factorization.

75271464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18375 (or 18365 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 75271464 is about 8675.9128626330. The cubic root of 75271464 is about 422.2245235742.

The spelling of 75271464 in words is "seventy-five million, two hundred seventy-one thousand, four hundred sixty-four".