771041436 has 24 divisors (see below), whose sum is σ = 1962651264. Its totient is φ = 233648880.

The previous prime is 771041431. The next prime is 771041461. The reversal of 771041436 is 634140177.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 771041397 and 771041406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (771041431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2920480 + ... + 2920743.

It is an arithmetic number, because the mean of its divisors is an integer number (81777136).

Almost surely, 2^771041436 is an apocalyptic number.

It is an amenable number.

771041436 is an abundant number, since it is smaller than the sum of its proper divisors (1191609828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

771041436 is a wasteful number, since it uses less digits than its factorization.

771041436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5841241 (or 5841239 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 771041436 is about 27767.6328843494. The cubic root of 771041436 is about 916.9786819861.

The spelling of 771041436 in words is "seven hundred seventy-one million, forty-one thousand, four hundred thirty-six".