33400079 has 4 divisors (see below), whose sum is σ = 33445776. Its totient is φ = 33354384.

The previous prime is 33400067. The next prime is 33400091. The reversal of 33400079 is 97000433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97000433 = 47 ⋅2063839.

It is an interprime number because it is at equal distance from previous prime (33400067) and next prime (33400091).

It is a cyclic number.

It is not a de Polignac number, because 33400079 - 2⁴ = 33400063 is a prime.

It is a super-2 number, since 2×33400079² = 2231130554412482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33400039) 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, 21734 + ... + 23219.

It is an arithmetic number, because the mean of its divisors is an integer number (8361444).

Almost surely, 2^33400079 is an apocalyptic number.

33400079 is a deficient number, since it is larger than the sum of its proper divisors (45697).

33400079 is an equidigital number, since it uses as much as digits as its factorization.

33400079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45696.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 33400079 is about 5779.2801454852. The cubic root of 33400079 is about 322.0444590953.

The spelling of 33400079 in words is "thirty-three million, four hundred thousand, seventy-nine".