674569350 has 576 divisors, whose sum is σ = 2558169600. Its totient is φ = 126904320.

The previous prime is 674569309. The next prime is 674569411. The reversal of 674569350 is 53965476.

674569350 is a `hidden beast` number, since 67 + 456 + 93 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 674569296 and 674569305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 35503641 + ... + 35503659.

Almost surely, 2^674569350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674569350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1279084800).

674569350 is an abundant number, since it is smaller than the sum of its proper divisors (1883600250).

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

674569350 is a wasteful number, since it uses less digits than its factorization.

674569350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 674569350 is about 25972.4729280829. The cubic root of 674569350 is about 877.0187294446.

The spelling of 674569350 in words is "six hundred seventy-four million, five hundred sixty-nine thousand, three hundred fifty".