402417073 has 4 divisors (see below), whose sum is σ = 407511040. Its totient is φ = 397323108.

The previous prime is 402417023. The next prime is 402417077. The reversal of 402417073 is 370714204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402417073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402417077) 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, 2546865 + ... + 2547022.

It is an arithmetic number, because the mean of its divisors is an integer number (101877760).

Almost surely, 2^402417073 is an apocalyptic number.

It is an amenable number.

402417073 is a deficient number, since it is larger than the sum of its proper divisors (5093967).

402417073 is an equidigital number, since it uses as much as digits as its factorization.

402417073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093966.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 402417073 is about 20060.3358147365. The cubic root of 402417073 is about 738.2874159282.

The spelling of 402417073 in words is "four hundred two million, four hundred seventeen thousand, seventy-three".