1405450074 has 32 divisors (see below), whose sum is σ = 3215794176. Its totient is φ = 401140080.

The previous prime is 1405450073. The next prime is 1405450091. The reversal of 1405450074 is 4700545041.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1405450073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24739 + ... + 58505.

It is an arithmetic number, because the mean of its divisors is an integer number (100493568).

Almost surely, 2^1405450074 is an apocalyptic number.

1405450074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1405450074 is an abundant number, since it is smaller than the sum of its proper divisors (1810344102).

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

1405450074 is a wasteful number, since it uses less digits than its factorization.

1405450074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34770.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 1405450074 is about 37489.3328028121. The cubic root of 1405450074 is about 1120.1387142181.

The spelling of 1405450074 in words is "one billion, four hundred five million, four hundred fifty thousand, seventy-four".