76905469 has 4 divisors (see below), whose sum is σ = 76924480. Its totient is φ = 76886460.

The previous prime is 76905461. The next prime is 76905487. The reversal of 76905469 is 96450967.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96450967 = 1987 ⋅48541.

It is a cyclic number.

It is not a de Polignac number, because 76905469 - 2³ = 76905461 is a prime.

It is a super-2 number, since 2×76905469² = 11828902324219922, 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 (76905461) 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, 747 + ... + 12424.

It is an arithmetic number, because the mean of its divisors is an integer number (19231120).

Almost surely, 2^76905469 is an apocalyptic number.

It is an amenable number.

76905469 is a deficient number, since it is larger than the sum of its proper divisors (19011).

76905469 is a wasteful number, since it uses less digits than its factorization.

76905469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19010.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 76905469 is about 8769.5763295612. The cubic root of 76905469 is about 425.2579177262.

The spelling of 76905469 in words is "seventy-six million, nine hundred five thousand, four hundred sixty-nine".