80746415 has 4 divisors (see below), whose sum is σ = 96895704. Its totient is φ = 64597128.

The previous prime is 80746403. The next prime is 80746417. The reversal of 80746415 is 51464708.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80746415 - 2¹⁰ = 80745391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80746417) 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, 8074637 + ... + 8074646.

It is an arithmetic number, because the mean of its divisors is an integer number (24223926).

Almost surely, 2^80746415 is an apocalyptic number.

80746415 is a deficient number, since it is larger than the sum of its proper divisors (16149289).

80746415 is a wasteful number, since it uses less digits than its factorization.

80746415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16149288.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 80746415 is about 8985.9009008557. The cubic root of 80746415 is about 432.2228770348. Note that the first 3 decimals are identical.

The spelling of 80746415 in words is "eighty million, seven hundred forty-six thousand, four hundred fifteen".