90450674 has 32 divisors (see below), whose sum is σ = 146361600. Its totient is φ = 41817600.

The previous prime is 90450671. The next prime is 90450691. The reversal of 90450674 is 47605409.

It is not an unprimeable number, because it can be changed into a prime (90450671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375194 + ... + 375434.

It is an arithmetic number, because the mean of its divisors is an integer number (4573800).

Almost surely, 2^90450674 is an apocalyptic number.

90450674 is a deficient number, since it is larger than the sum of its proper divisors (55910926).

90450674 is a wasteful number, since it uses less digits than its factorization.

90450674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 90450674 is about 9510.5559248658. Note that the first 3 decimals coincide. The cubic root of 90450674 is about 448.8872490337.

The spelling of 90450674 in words is "ninety million, four hundred fifty thousand, six hundred seventy-four".