761004021 has 8 divisors (see below), whose sum is σ = 1022418144. Its totient is φ = 503462960.

The previous prime is 761003983. The next prime is 761004029. The reversal of 761004021 is 120400167.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 761004021 - 2¹⁷ = 760872949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761004029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 967806 + ... + 968591.

It is an arithmetic number, because the mean of its divisors is an integer number (127802268).

Almost surely, 2^761004021 is an apocalyptic number.

It is an amenable number.

761004021 is a deficient number, since it is larger than the sum of its proper divisors (261414123).

761004021 is a wasteful number, since it uses less digits than its factorization.

761004021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936531.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 761004021 is about 27586.3013287392. The cubic root of 761004021 is about 912.9822142832.

Adding to 761004021 its reverse (120400167), we get a palindrome (881404188).

The spelling of 761004021 in words is "seven hundred sixty-one million, four thousand, twenty-one".