746350821 has 8 divisors (see below), whose sum is σ = 1105704960. Its totient is φ = 497567196.

The previous prime is 746350819. The next prime is 746350861. The reversal of 746350821 is 128053647.

746350821 is a `hidden beast` number, since 74 + 63 + 508 + 21 = 666.

It is not a de Polignac number, because 746350821 - 2¹ = 746350819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746350861) 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, 13821285 + ... + 13821338.

It is an arithmetic number, because the mean of its divisors is an integer number (138213120).

Almost surely, 2^746350821 is an apocalyptic number.

It is an amenable number.

746350821 is a deficient number, since it is larger than the sum of its proper divisors (359354139).

746350821 is a wasteful number, since it uses less digits than its factorization.

746350821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27642632 (or 27642626 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 746350821 is about 27319.4220473274. The cubic root of 746350821 is about 907.0843448591.

The spelling of 746350821 in words is "seven hundred forty-six million, three hundred fifty thousand, eight hundred twenty-one".