62400091 has 4 divisors (see below), whose sum is σ = 67200112. Its totient is φ = 57600072.

The previous prime is 62400089. The next prime is 62400097. The reversal of 62400091 is 19000426.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19000426 = 2 ⋅9500213.

It is a cyclic number.

It is not a de Polignac number, because 62400091 - 2¹ = 62400089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (62400097) 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, 2399991 + ... + 2400016.

It is an arithmetic number, because the mean of its divisors is an integer number (16800028).

Almost surely, 2^62400091 is an apocalyptic number.

62400091 is a deficient number, since it is larger than the sum of its proper divisors (4800021).

62400091 is a wasteful number, since it uses less digits than its factorization.

62400091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800020.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 62400091 is about 7899.3728232056. The cubic root of 62400091 is about 396.6386893464.

The spelling of 62400091 in words is "sixty-two million, four hundred thousand, ninety-one".