76800154 has 4 divisors (see below), whose sum is σ = 115200234. Its totient is φ = 38400076.

The previous prime is 76800131. The next prime is 76800173. The reversal of 76800154 is 45100867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45100867 = 7 ⋅6442981.

It can be written as a sum of positive squares in only one way, i.e., 55428025 + 21372129 = 7445^2 + 4623^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19200037 + ... + 19200040.

Almost surely, 2^76800154 is an apocalyptic number.

76800154 is a deficient number, since it is larger than the sum of its proper divisors (38400080).

76800154 is a wasteful number, since it uses less digits than its factorization.

76800154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38400079.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 76800154 is about 8763.5697064609. The cubic root of 76800154 is about 425.0637117864.

The spelling of 76800154 in words is "seventy-six million, eight hundred thousand, one hundred fifty-four".