761804949 has 4 divisors (see below), whose sum is σ = 1015739936. Its totient is φ = 507869964.

The previous prime is 761804909. The next prime is 761804957. The reversal of 761804949 is 949408167.

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: 949408167 = 3 ⋅316469389.

It is not a de Polignac number, because 761804949 - 2¹¹ = 761802901 is a prime.

It is a super-3 number, since 3×761804949³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 761804898 and 761804907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761804909) 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, 126967489 + ... + 126967494.

It is an arithmetic number, because the mean of its divisors is an integer number (253934984).

Almost surely, 2^761804949 is an apocalyptic number.

It is an amenable number.

761804949 is a deficient number, since it is larger than the sum of its proper divisors (253934987).

761804949 is a wasteful number, since it uses less digits than its factorization.

761804949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253934986.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 761804949 is about 27600.8142814664. The cubic root of 761804949 is about 913.3023950869.

The spelling of 761804949 in words is "seven hundred sixty-one million, eight hundred four thousand, nine hundred forty-nine".