1974730 has 16 divisors (see below), whose sum is σ = 3615840. Its totient is φ = 776272.

The previous prime is 1974719. The next prime is 1974743. The reversal of 1974730 is 374791.

It is a junction number, because it is equal to n+sod(n) for n = 1974692 and 1974701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (225990).

2^1974730 is an apocalyptic number.

1974730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1974730 is a deficient number, since it is larger than the sum of its proper divisors (1641110).

1974730 is a wasteful number, since it uses less digits than its factorization.

1974730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 1974730 is about 1405.2508672831. The cubic root of 1974730 is about 125.4592175546.

It can be divided in two parts, 1974 and 730, that added together give a square (2704 = 52²).

The spelling of 1974730 in words is "one million, nine hundred seventy-four thousand, seven hundred thirty".