761678 has 4 divisors (see below), whose sum is σ = 1142520. Its totient is φ = 380838.

The previous prime is 761671. The next prime is 761681. The reversal of 761678 is 876167.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 876167 = 223 ⋅3929.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190418 + ... + 190421.

It is an arithmetic number, because the mean of its divisors is an integer number (285630).

2⁷⁶¹⁶⁷⁸ is an apocalyptic number.

761678 is the 467-th centered heptagonal number.

761678 is a deficient number, since it is larger than the sum of its proper divisors (380842).

761678 is a wasteful number, since it uses less digits than its factorization.

761678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380841.

The product of its digits is 14112, while the sum is 35.

The square root of 761678 is about 872.7416570784. The cubic root of 761678 is about 91.3251660636.

The spelling of 761678 in words is "seven hundred sixty-one thousand, six hundred seventy-eight".