1642474 has 8 divisors (see below), whose sum is σ = 2593440. Its totient is φ = 777996.

The previous prime is 1642463. The next prime is 1642481. The reversal of 1642474 is 4742461.

1642474 = T₂₁₁ + T₂₁₂ + ... + T₂₆₇.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21574 + ... + 21649.

It is an arithmetic number, because the mean of its divisors is an integer number (324180).

2^1642474 is an apocalyptic number.

1642474 is a deficient number, since it is larger than the sum of its proper divisors (950966).

1642474 is a wasteful number, since it uses less digits than its factorization.

1642474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43244.

The product of its digits is 5376, while the sum is 28.

The square root of 1642474 is about 1281.5904181914. The cubic root of 1642474 is about 117.9866402571.

It can be divided in two parts, 1642 and 474, that added together give a square (2116 = 46²).

The spelling of 1642474 in words is "one million, six hundred forty-two thousand, four hundred seventy-four".