75621063 has 12 divisors (see below), whose sum is σ = 117290040. Its totient is φ = 43211952.

The previous prime is 75621061. The next prime is 75621071. The reversal of 75621063 is 36012657.

It is not a de Polignac number, because 75621063 - 2¹ = 75621061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75621063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75621061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257068 + ... + 257361.

It is an arithmetic number, because the mean of its divisors is an integer number (9774170).

Almost surely, 2^75621063 is an apocalyptic number.

75621063 is a deficient number, since it is larger than the sum of its proper divisors (41668977).

75621063 is a wasteful number, since it uses less digits than its factorization.

75621063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514446 (or 514439 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 75621063 is about 8696.0372009324. The cubic root of 75621063 is about 422.8771893921.

The spelling of 75621063 in words is "seventy-five million, six hundred twenty-one thousand, sixty-three".